1.

Statement-1: Aqueous CuSO_(4) solution on reaction with excess of aqueous KCN forms K_(3)[Cu(CN)_(4)]. Statement-2: CuS is obtained when H_(2)S(g) is passed through K_(3)[Cu(CN)_(4)]

Answer»

Statement-1 is TRUE, Statement-2 is True , Statement-2 is a correct EXPLANATION for Statement-1.
Statement-1 is True, Statement-2 is True, Statement-2 is NOT a correct explanation for Statement-1.
Statement-1 is True, Statement-2 is False.
Statement-1 is False, Statement-2 is True.

Solution :`K_(3)[Cu(CN)_(4)]` is a perfect COMPLEX w.r.t. `H_(2)S`.


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